Pause button

14 New Member

I have images and text rotating every 7000 ms using a setInterval. i am trying to implement a pause button that will stop the rotation when clicked. When clicked once more, I would like the rotation to continue.

The first time that the pause button is clicked, the rotation stops and all is well. Click again and the rotation continues. But then i can't seem to pause thereafter. Where am i going wrong?

Expand|Select|Wrap|Line Numbers

 function pause() {

switch (p) {

case 0:

document.pausebutton.src="images/pause_on.gif";

window.clearInterval(timer);

window.clearInterval(timer2);

p=1;

break;

case 1:

document.pausebutton.src="images/news.gif";

var timer2=window.setInterval("section()", 7000);

p=0;

break;

}

}
 
var timer=window.setInterval("section()", 7000);

[HTML]<img name="pausebutton" onclick="pause();" src="images/news.gif" border="0" height="17" width="17" />[/HTML]

Jul 3 '07 #1

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Recognized Expert Moderator Expert

hi ...

your variable p is undefined ... so the script stops due to an js-error and not clearing the interval. you should init a global variable p with 0 and everything is ok ;)

kind regards

Jul 3 '07 #2

garfunkel214

New Member

ah sorry i neglected to show that part of the code. i had set var p to 0 earlier in the script. any other ideas??

Jul 3 '07 #3

gits

5,390

Recognized Expert Moderator Expert

hmmm ... ahhhhhhhrg ;) ... var timer2 is declared locally ... reuse timer or declare timer2 globally too

Expand|Select|Wrap|Line Numbers

 function pause() {

        switch (p) {

        case 0: 

                document.pausebutton.src="images/pause_on.gif";

                window.clearInterval(timer);

                p=1;

                break;

        case 1: 

                document.pausebutton.src="images/news.gif";

                timer=window.setInterval(function() { // do something }, 700);

                p=0;

                break;

        }

}                    
 
var timer=window.setInterval(function() { // do something }, 700);

kind regards ...

Jul 3 '07 #4

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